diff options
Diffstat (limited to 'arch/ia64/kernel/pci-dma.c')
-rw-r--r-- | arch/ia64/kernel/pci-dma.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c new file mode 100644 index 0000000000..c90221733c --- /dev/null +++ b/arch/ia64/kernel/pci-dma.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Dynamic DMA mapping support. + */ + +#include <linux/types.h> +#include <linux/mm.h> +#include <linux/string.h> +#include <linux/pci.h> +#include <linux/module.h> +#include <linux/dmar.h> +#include <asm/iommu.h> +#include <linux/dma-mapping.h> +#include <linux/kernel.h> +#include <asm/page.h> + +int no_iommu __read_mostly; +#ifdef CONFIG_IOMMU_DEBUG +int force_iommu __read_mostly = 1; +#else +int force_iommu __read_mostly; +#endif + +static int __init pci_iommu_init(void) +{ + if (iommu_detected) + intel_iommu_init(); + + return 0; +} + +/* Must execute after PCI subsystem */ +fs_initcall(pci_iommu_init); |